Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Houston via Atlanta: arrives on time 69%
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17:10 MDW → 20:22 ATLDL 1728 · Delta · 2h 10m · 74% on time, 2.1% cancelled
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2h 22m layover in Atlanta (ATL) · 45 min minimum on one ticket
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22:44 ATL → 23:56 IAHDL 1601 · Delta · 2h 12m · 76% on time, 2.5% cancelled
Total trip 6h 46m, scheduled departure to arrival. Times are local. Both flew on 43 of the last 56 days.
Makes the connection94%The first flight arrived more than 97 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 2h 22m layover.
Arrives on time69%First flight not cancelled (2.1% are) × connection made (94%) × second flight not cancelled (2.5% are) and within 15 minutes (76%).
Total trip6h 46mMDW 17:10 to IAH 23:56, layover included
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.